Bump setuptools from 59.6.0 to 60.0.4

Bumps [setuptools](https://github.com/pypa/setuptools) from 59.6.0 to 60.0.4.
- [Release notes](https://github.com/pypa/setuptools/releases)
- [Changelog](https://github.com/pypa/setuptools/blob/main/CHANGES.rst)
- [Commits](pypa/setuptools@v59.6.0...v60.0.4)

---
updated-dependencies:
- dependency-name: setuptools
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements-dev.txt

@@ -10,6 +10,6 @@ autoflake==1.4
 tox==3.24.4
 pur==5.4.2
 wheel==0.37.1
-setuptools==59.6.0
+setuptools==60.0.4
 twine==3.7.1
 pillow==8.4.0